Sucker type automatic feeding and discharging manipulator structure for injection molded parts

By designing a polygonal frame composed of retractable composite rods and a robotic arm structure connected by detachable suction cups, the problem of the non-adjustable spacing of the adsorption points was solved, achieving stable gripping and convenient processing of injection molded plates of different shapes.

CN223749652UActive Publication Date: 2026-01-02TONGLU ZHIBO AUTOMATION EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520149618.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2026-01-02
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

Existing robotic arm structures, when gripping flat injection molded parts, are prone to falling when the weight is too great because the spacing between the suction points is not adjustable, and cannot meet the gripping needs of injection molded plates of different shapes and sizes.

Method used

An automated loading and unloading robot for injection molded parts with adjustable suction point spacing was designed. It uses a polygonal frame composed of telescopic combination rods. The suction point spacing can be adjusted by hinged connection of telescopic rods and combination rods, combined with the detachable connection of suction cups, to meet the gripping needs of plastic sheets of different shapes.

Benefits of technology

It enables flexible adjustment of the spacing between adsorption points, improves the adsorption and gripping effect, and ensures stable gripping and convenient processing of plastic sheets of different shapes.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223749652U_ABST
    Figure CN223749652U_ABST
Patent Text Reader

Abstract

The utility model discloses a suction cup type automatic feeding and discharging manipulator structure for injection molding parts, which comprises a mechanical arm fixedly mounted on the ground; the mounting block is rotationally connected with the end of the mechanical arm, and a plurality of telescopic rods are mounted on the mounting block; the adsorption frame is a polygonal frame composed of a plurality of telescopic combined rods, the adjacent combined rods are hinged, the telescopic rods are hinged to the ends of the combined rods, the outer side faces of the combined rods and the outer side faces of the telescopic rods are detachably connected with a plurality of suction cups, and the suction cups are externally connected with a vacuum pump. The suction frame has the advantages that the shape of the suction frame can be adjusted under the telescopic action of the telescopic rods, meanwhile, the distance between the suction cups installed on the end faces of the suction frame and the telescopic rods can be adjusted, plastic plates of different shapes can be sucked and grabbed, and then the suction grabbing effect can be improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical hand related technical field, especially point to a kind of suction cup type injection molding piece automated feeding and discharging mechanical hand structure. BACKGROUND

[0002] In modern factory, in order to improve production efficiency and ensure the safety of personnel, now more using mechanical hand to carry out feeding operation when processing. The existing mechanical hand structure is widely used in lathe machining center, automobile parts, electronic production line and other fields.

[0003] When processing flat plate injection molding piece, the use of mechanical hand is more convenient, but the spacing of suction point in the existing mechanical hand's grabbing and adsorbing module cannot be adjusted, so that when grabbing, due to the weight of workpiece is too large, it falls, therefore, the existing mechanical hand structure needs to be improved to meet the adjustment of the spacing of suction point when grabbing injection molding plate of different shapes and sizes, to ensure its grabbing effect. UTILITY MODEL CONTENT

[0004] The utility model discloses to overcome the insufficient that spacing of suction point is not adjustable in prior art, adsorption effect is poor, provide a kind of suction cup type injection molding piece automated feeding and discharging mechanical hand structure, spacing of suction point is adjustable, adsorption and grabbing effect are good.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of suction cup type injection molding piece automated feeding and discharging mechanical hand structure, comprising: mechanical arm, the mechanical arm is fixedly installed on ground;

[0006] Mounting block, the mounting block is rotatably connected with the end of mechanical arm, the mounting block is equipped with several telescopic rods;

[0007] Suction frame, the suction frame is the polygonal frame of several telescopic combination rods, adjacent combination rod is hinged, the end of telescopic rod and combination rod is hinged, the outer side of combination rod and telescopic rod can be detachably connected several suction cups, the suction cup is circumscribed vacuum pump.

[0008] The mechanical arm is a Cartesian coordinate type, which includes three mutually orthogonal movement joints and has three translational degrees of freedom. A telescopic cylinder is arranged on one of the movement joints, which can extend the movement joint and further improve the control range. The bottom of the mechanical arm can be fixedly installed on the ground. An installation block is installed at the end of the mechanical arm, which is rotatably connected with the end head of the mechanical arm, that is, the end movement joint of the mechanical arm is a rotatable joint. The installation block can be rotated through the rotation function, so that the mechanical arm can be moved out of the mold after grabbing the plastic plate through the control program programming, and the subsequent processing is facilitated. A plurality of telescopic rods are installed on the installation block, and the number of telescopic rods is at least four. Meanwhile, an adsorption frame is arranged on the structure, which is composed of a plurality of telescopic combination rods hingedly connected at the head and tail to form a polygonal frame. The number of combination rods is at least four, and the number of combination rods is the same as that of telescopic rods. The telescopic end of the telescopic rod is hingedly connected with the hinged end of the adjacent combination rod. Meanwhile, a plurality of suction cups are installed on the outer side of the combination rod and the telescopic rod, which are detachably connected. Through the detachable connection mode of the suction cups, the combination arrangement of the suction cups can be realized, the adsorption and grabbing of plastic plates with different shapes are satisfied, and the subsequent processing is facilitated. The shape of the adsorption frame can be deformed under the telescopic action of the telescopic rod, so that the distance between the suction cups installed on the adsorption frame can be adjusted, the adsorption point distance can be adjusted, and the adsorption effect is improved.

[0009] As preferred, a plurality of installation grooves are arranged in the installation block, which are rectangular grooves, and the installation grooves are uniformly arranged. The telescopic rods are installed in the installation grooves. The plurality of installation grooves arranged in the installation block are uniformly arranged, which are rectangular grooves, and the number of installation grooves is at least four. Meanwhile, the number of installation grooves is the same as that of telescopic rods, and the telescopic rods are installed in the installation grooves. This structure plays a role in fixing the telescopic rods, ensures the stability of the telescopic action of the telescopic rods, facilitates the subsequent adjustment of the shape of the adsorption frame, and further adjusts the distance between the suction cups, that is, the adsorption point distance adjustment, and improves the adsorption and grabbing effect.

[0010] As preferred, the hinged end of the adjacent combination rod is provided with a hinge shaft, and the end of the telescopic rod is provided with a mounting seat, which is a U-shaped piece, and the hinge shaft is rotatably connected with the mounting seat. The end of the adjacent combination rod is hingedly connected with the hinge shaft, the installation of the hinge shaft realizes the hinging of the adjacent combination rods, the mounting seat arranged at the end of the telescopic rod is a U-shaped piece, the hinge shaft is rotatably connected with the mounting seat, the hinging of the combination rod and the telescopic rod is realized, the shape adjustment of the adsorption frame is facilitated, the distance between the suction cups is adjusted, that is, the adsorption point distance adjustment, and the adsorption and grabbing effect is improved.

[0011] As preferred, the combination rod comprises a main tube and two extension rods, the extension rods are inserted into the main tube, the outer end of the extension rods is provided with a hinged hole, the hinged hole is connected with a hinged shaft sleeve, the inner end of the extension rods is provided with a limiting block, a tension spring is arranged in the main tube, and the two ends of the tension spring are connected with the limiting blocks respectively.

[0012] As preferred, the open end of the main tube is provided with a limiting plate, the side wall of the extension rod is provided with a plurality of mounting holes, a limiting ball is arranged in the mounting hole, and a supporting spring is connected between the limiting ball and the mounting hole.

[0013] As preferred, the outer side of the main tube and the mounting seat is provided with a mounting threaded hole, the suction disc is provided with a mounting screw rod, and the mounting screw rod is connected with the mounting threaded hole.

[0014] The beneficial effects of the utility model are that the suction frame can adjust its shape under the telescopic effect of the telescopic rod, and the distance between the suction disc mounted on the end surface of the suction frame and the telescopic rod can be adjusted, the suction and grabbing effect of different shapes of plastic plates can be improved, the suction disc can be mounted and dismounted, the suction and grabbing effect of different shapes of plastic plates can be improved by arranging the suction disc at different positions, and the suction and grabbing effect can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a perspective view of the utility model;

[0016] Figure 2 is Figure 1 is an enlarged view at A in the middle;

[0017] Figure 3 is a sectional view of the suction frame in the utility model;

[0018] Figure 4 is a sectional view of the combination rod in the utility model.

[0019] In the drawings, 1. mechanical arm, 2. mounting block, 3. telescopic rod, 4. combination rod, 5. suction cup, 20. mounting groove, 30. mounting seat, 31. mounting threaded hole, 40. hinge shaft, 41. main tube, 42. extension rod, 43. hinge hole, 44. limit block, 45. tension spring, 46. limit plate, 47. mounting hole, 48. limit ball, 49. support spring, 50. mounting screw. DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with the drawings and specific embodiments. Obviously, the described embodiments are only part of the embodiments of the application, not all embodiments. The following description of at least one exemplary embodiment is actually only illustrative, but not as any limitation on the application and its application or use. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the application.

[0021] It should be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the application. As used herein, the singular form is intended to include the plural form unless the context clearly dictates otherwise, and it should also be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0022] In addition, it should be noted that the use of "first", "second" and other words to define parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, so it cannot be understood as a limitation on the scope of protection of the application.

[0023] Example 1, as Figures 1-4 shown, a suction cup type automatic injection molding parts feeding and discharging mechanical hand structure, comprising:

[0024] A mechanical arm 1 is fixedly installed on the ground;

[0025] A mounting block 2 is rotationally connected with the end of the mechanical arm 1, and a plurality of telescopic rods 3 are installed on the mounting block 2;

[0026] An adsorption frame is a polygonal frame composed of a plurality of telescopic combination rods 4, adjacent combination rods 4 are hingedly connected, the telescopic rods 3 are hingedly connected with the ends of the combination rods 4, and a plurality of suction cups 5 are detachably connected to the outer sides of the combination rods 4 and the telescopic rods 3, and a vacuum pump is connected with the suction cups 5.

[0027] A plurality of mounting grooves 20 are arranged in the mounting block 2, the mounting grooves 20 are rectangular grooves, and the mounting grooves 20 are uniformly arranged, and the telescopic rods 3 are installed in the mounting grooves 20.

[0028] Hinge shafts 40 are arranged at the hinged ends of adjacent combination rods 4, and mounting seats 30 are arranged at the ends of the telescopic rods 3, the mounting seats 30 are U-shaped pieces, and the hinge shafts 40 are rotationally connected with the mounting seats 30.

[0029] The combination rod 4 comprises a main pipe 41 and two extension rods 42, the extension rods 42 are inserted into the main pipe 41, hinge holes 43 are arranged at the outer ends of the extension rods 42, the hinge holes 43 are sleeved with the hinge shafts 40, limit blocks 44 are arranged at the inner ends of the extension rods 42, and tension springs 45 are arranged in the main pipe 41, and the two ends of the tension springs 45 are connected with the limit blocks 44.

[0030] Limit plates 46 are arranged at the open ends of the main pipe 41, a plurality of mounting holes 47 are arranged in the side walls of the extension rods 42, limit balls 48 are arranged in the mounting holes 47, support springs 49 are connected between the limit balls 48 and the mounting holes 47, and the limit balls 48 are in contact with the limit plates 46.

[0031] Mounting threaded holes 31 are arranged on the outer sides of the main pipe 41 and the mounting seat 30, the suction cups 5 are provided with mounting screws 50, and the mounting screws 50 are connected with the mounting threaded holes 31.

[0032] The working principle of the utility model is as follows: Figures 1-4As shown, a mechanical arm 1 is arranged in the structure, which is a Cartesian type, and includes three mutually orthogonal moving joints, having three translational degrees of freedom. A telescopic cylinder is arranged on one of the moving joints, which can extend the moving joint and further improve the control range. The bottom of the mechanical arm 1 can be fixedly installed on the ground. An installation block 2 is installed at the end of the mechanical arm 1, which is rotatably connected with the end of the mechanical arm 1, that is, the end moving joint of the mechanical arm 1 is a rotatable joint, which can drive the installation block 2 to rotate through the rotating function, and further can facilitate the mechanical arm 1 to be programmed through the control program to grasp the injection molded plate from the mold, facilitating subsequent processing. A plurality of telescopic rods 3 are installed on the installation block 2, wherein the number of telescopic rods 3 is at least four. At the same time, an adsorption frame is arranged on the structure, which is hingedly connected by a plurality of telescopic combination rods 4, forming a polygonal frame, wherein the number of combination rods 4 is at least four, and the number of combination rods 4 is the same as the number of telescopic rods 3. The extension end of the telescopic rod 3 is hingedly connected with the hinged end of the adjacent combination rod 4. At the same time, a plurality of suction cups 5 are installed on the outer side of the combination rod 4 and the telescopic rod 3, which are detachably connected, and through the detachable connection, the combination of the suction cups 5 can be achieved, which can meet the adsorption and grasping of plastic plates of different shapes and sizes, and facilitate subsequent processing. The shape of the adsorption frame can be deformed under the telescopic action of the telescopic rod 3, and the spacing of the suction cups 5 installed on the adsorption frame can be achieved, the adsorption point spacing can be adjusted, and the adsorption effect is good. At the same time, the suction cup 5 is connected with a vacuum pump, which can control the adsorption and grasping of the suction cup 5, realize the grasping and release of the plastic plate by the suction cup 5, and make the grasping and release operation simple and convenient, improve the adsorption and grasping effect.

[0033] The plurality of installation grooves 20 arranged in the installation block 2 are evenly arranged, which are rectangular grooves, and the number of installation grooves 20 is at least four, and the number of installation grooves 20 is the same as the number of telescopic rods 3. The telescopic rod 3 is installed in the installation groove 20, which plays a role in fixing the telescopic rod 3, ensures the telescopic action of the telescopic rod 3 is stable, facilitates the subsequent adjustment of the shape of the adsorption frame, and further adjusts the spacing of the suction cups 5, that is, the adsorption point spacing adjustment, and improves the adsorption and grasping effect.

[0034] The end of the adjacent combination rod 4 is hingedly connected with the hinge shaft 40, and the hinge shaft 40 is installed to realize the hinging of the adjacent combination rod 4. The mounting seat 30 arranged at the end of the telescopic rod 3 is a U-shaped piece, and the hinge shaft 40 is rotatably connected with the mounting seat 30 to realize the hinging of the combination rod 4 and the telescopic rod 3, facilitate the shape adjustment of the adsorption frame, and further adjust the spacing of the suction cups 5, that is, the adsorption point spacing adjustment, and improve the adsorption and grasping effect.

[0035] The combination rod 4 is provided with a main tube 41 and an extension rod 42, the extension rod 42 is inserted into the main tube 41, a hinged hole 43 is arranged at the outer end of the extension rod 42, the hinged rod is sleeved with the hinged shaft 40 to realize the hinged connection, a limiting block 44 is arranged at the inner end of the extension rod 42, and the inside of the main tube 41 is provided with a tension spring 45, the two ends of the tension spring 45 are connected with the limiting blocks 44 arranged at the ends of the extension rod 42, and the structure can ensure that the extension rod 42 keeps stable under the tension of the tension spring 45 when the extension rod 42 and the main tube 41 slide relative to each other.

[0036] The open end of the main tube 41 is provided with a limiting plate 46, a plurality of mounting holes 47 are arranged on the side wall of the extension rod 42 at equal intervals, a supporting spring 49 is connected to the inner bottom surface of the mounting hole 47, the end of the supporting spring 49 is connected with a limiting ball 48, the limiting ball 48 is arranged in the limiting hole and part of the limiting ball 48 exceeds the side wall surface of the extension rod 42, the limiting ball 48 is in contact with the limiting plate 46, and the state of the structure can ensure the stable state of the extension rod 42 and the main tube 41, when the extension rod 42 moves outward, the limiting ball 48 at the front end penetrates the end of the main tube 41, so that the limiting ball 48 at the rear end is in contact with the limiting plate 46, thereby ensuring that the extension rod 42 is also in a stable state after the extension rod 42 is stretched out, and the stability of the mechanical hand structure is ensured when the mechanical hand structure adsorbs and grabs the plastic plate, so that the adsorption and grabbing effect is good.

[0037] The outer side surface of the main tube 41 and the mounting seat 30 is provided with a mounting threaded hole 31, the inner side end surface of the suction disc 5 is provided with a mounting screw rod 50, the mounting screw rod 50 is in threaded connection with the mounting threaded hole 31, the structure can realize detachable connection, and the installation and dismounting of the suction disc 5 are facilitated, and meanwhile, the spacing of the suction disc 5, that is, the spacing of the adsorption points can be adjusted by arranging the suction disc 5, so that the adsorption and grabbing effect is improved.

[0038] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and the modification or replacement does not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A structure of an automatic suction disc type injection molded piece loading and unloading manipulator, characterized in that, Include: Mechanical arm (1), the mechanical arm (1) is fixedly installed on the ground; Mounting block (2), the mounting block (2) is rotatably connected with the end of mechanical arm (1), the mounting block (2) is installed with several telescopic rods (3); Suction frame, the suction frame is a polygonal frame composed of several telescopic combination rods (4), adjacent combination rods (4) are hinged, the telescopic rod (3) is hinged with the end of combination rod (4), the outer side surface of combination rod (4) and telescopic rod (3) can be detachably connected with several suction cups (5), the suction cup (5) is circumscribed with a vacuum pump.

2. The structure of the mechanical hand for automatically loading and unloading disc type injection molded parts according to claim 1, characterized in that, Several installation grooves (20) are arranged in the mounting block (2), the installation groove (20) is a rectangular groove, several installation grooves (20) are evenly arranged, the telescopic rod (3) is installed in the installation groove (20).

3. The structure of the mechanical hand for automatically loading and unloading disc type injection molded parts according to claim 1, characterized in that, The hinged end of adjacent combination rod (4) is provided with a hinge shaft (40), the end of telescopic rod (3) is provided with a mounting seat (30), the mounting seat (30) is a U-shaped piece, the hinge shaft (40) is rotatably connected with the mounting seat (30).

4. The structure of the mechanical hand for automatically loading and unloading disc type injection molded parts according to claim 3, characterized in that, The combination rod (4) includes a main tube (41) and two extension rods (42), the extension rod (42) is inserted into the main tube (41), the outer end of the extension rod (42) is provided with a hinge hole (43), the hinge hole (43) is sleeved with the hinge shaft (40), the inner end of the extension rod (42) is provided with a limiting block (44), the main tube (41) is provided with a tension spring (45), the two ends of the tension spring (45) are connected with the limiting block (44) respectively.

5. The structure of the mechanical hand for automatically loading and unloading disc type injection molded parts according to claim 4, characterized in that, The open end of the main tube (41) is provided with a limiting plate (46), the side wall of the extension rod (42) is provided with several mounting holes (47), the mounting hole (47) is provided with a limiting ball (48), the limiting ball (48) and the mounting hole (47) are connected with a supporting spring (49), the limiting ball (48) is in contact with the limiting plate (46).

6. The structure of the mechanical hand for automatically loading and unloading disc type injection molded parts according to claim 4, characterized in that, The outer side surface of the main tube (41) and the mounting seat (30) is provided with a mounting threaded hole (31), the suction cup (5) is provided with a mounting screw (50), the mounting screw (50) is connected with the mounting threaded hole (31).